This soldering practice kit features a multivibrator flashing light setup, making it an engaging electronic DIY project. The LED bistable training set is designed to help users enhance their soldering skills while creating a fun and functional electronic device. Ideal for beginners and hobbyists, it offers a hands-on learning experience in electronics. Features -Color:Green -Material:PC -Size:2.70X2.30X0.20cm/1.06X0.90X0.08in -Fine learning: experience the joy of soldering practice through electronic diy projects, enhancing your skills and technical knowledge -Versatile oscillation modes: builtin multiple oscillation modes produce various interesting sounds and , making your creations more dynamic and engaging -Flashing light module: equipped with a flashing light module to create eyecatching , adding visual appeal to your projects -Led bistable circuit: learn the principles of led bistable circuits, mastering practical application techniques to elevate your electronics crafting skills -Wide application: ideal for school teaching, scientific experiments, and personal hobbies, catering to diverse needs and interests Package list: 2 x sets of soldering kits